2014 Honda Ridgeline Trailer Wiring | etrailer Lowest Price Trailer Wiring Guarantee. Installation instructions and lifetime expert support on all purchases of 2014 Honda Ridgeline Trailer Wiring. Order online at etrailer.com or call 800-298-8924. 2014 Honda Ridgeline Hitch Wiring | Harnesses, Adapters Honda Ridgeline 2014, Towing Wiring Harness by Tekonsha®. One-year warranty. Wire up your tow vehicle and trailer with whatever it takes to get your trailer lights on, the electric brakes slowing down, and the trailer battery charging..